atul-astronomer opened a new issue, #63436:
URL: https://github.com/apache/airflow/issues/63436
### Apache Airflow version
3.1.8
### If "Other Airflow 3 version" selected, which one?
_No response_
### What happened?
Scheduler has error `[error ] dag_model.next_dagrun is None; expected
datetime [airflow.jobs.scheduler_job_runner.SchedulerJobRunner]
dag_id=aip76_tc007_raw_producer loc=scheduler_job_runner.py:2043`
### What you think should happen instead?
_No response_
### How to reproduce
Use below Dag:
```python
from __future__ import annotations
from airflow import DAG
from airflow.sdk import (
Asset,
CronPartitionTimetable,
PartitionedAssetTimetable,
IdentityMapper,
)
from airflow.decorators import task
from airflow.sdk import get_current_context
from datetime import datetime
raw_data = Asset(uri="file://aip76/tc007_raw_data.csv")
processed_data = Asset(uri="file://aip76/tc007_processed_data.csv")
with DAG(
dag_id="aip76_tc007_raw_producer",
start_date=datetime(2026, 1, 1),
schedule=CronPartitionTimetable("0 * * * *", timezone="UTC"),
catchup=False,
tags=["aip76", "tc007"],
) as producer_dag:
@task(outlets=[raw_data])
def produce_raw():
context = get_current_context()
partition_key = context["dag_run"].partition_key
print("Producer partition:", partition_key)
produce_raw()
```
### Operating System
Linux
### Versions of Apache Airflow Providers
_No response_
### Deployment
Other
### Deployment details
_No response_
### Anything else?
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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